Growth hormone release is affected by the type of resistance training protocol used, including the duration of rest periods. Short rest period types of workouts result in greater serum concentrations compared to long rest protocols of similar total work; however, at present it is not clear how the various molecular forms or types of growth hormones are affected by rest period duration.

In this Bridge the Gap Lecture from the 2019 National Conference, Head Strength and Conditioning Coach for the University of Oregon, Jimmy Radcliffe, discusses the specifics of deceleration, change of direction, and reacceleration through ground negotiation, postural control, and specific running mechanics.

In this practical session from the 2015 NSCA National Conference, Jimmy Radcliffe explains how to integrate strength and speed complexes and plyometric progressions into periodic progressions. Radcliffe is well-known for authoring “Functional Training for Athletes at all Levels” and “High-Powered Plyometrics.”

Protein is a staple in the diet of resistance training individuals looking to maximize strength and hypertrophy adaptations. This article reviews the quality of plant-based and animal-based proteins, and what proteins are right on an individual basis.

This article features the recharge skate—an in-season hockey conditioning drill, designed by the authors, to maintain hockey-specific energy system fitness throughout the competitive season.

This column from TSAC Report 76, examines the performance benefits of supplementing creatine monohydrate for tactical athletes. Visit NSCA online to learn about nutrition, and performance fitness.

This Personal Trainers Quarterly article shares considerations to counteract the decline of muscular fitness in older adults. Visit NSCA online to read more on corrective exercises, health, and fitness

Autumn Lockwood knows football. As the daughter of a collegiate football coach, she’s been attending games and “breathing football” since she was born. Now, she holds a highly coveted full-time position as an Associate Performance Coach for the National Football League (NFL) Philadelphia Eagles. But this was not always her plan. Follow her unique professional path, from a criminal justice major and aspiring Alcohol, Tobacco, and Firearms (ATF) special agent to coaching at football’s highest level. Learn how the Philadelphia Eagles cultivate a championship culture through never-ending development, strategic staffing, and sport science initiatives. She recounts how mentorship, building a village, and networking enabled her successful career switch. Lockwood and McMahon also discuss coaching challenges and ways the NSCA can push the profession forward through diverse collaboration, uncomfortable conversations, and deeper in-person connections. They conclude by breaking down the calendar training year, key performance indicators, and athlete profiling in professional football. Connect with Autumn via Instagram: @autumnlockwood, LinkedIn: @autumn-lockwood, or email: alockwood@eagles.nfl.com | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs Love football? Join your fellow professionals in the NSCA Football Special Interest Group! This episode discusses the intangible rewards of volunteering, like opening career doors and making connections. Want to get involved? Check out NSCA.com/Volunteer for opportunities.

The goal of this article is to define some of the basic physiological responses to acute and chronic altitude exposure and to provide some evidence-based, practical guidelines when approaching training and racing at higher altitudes.

In this session from the NSCA’s 2016 TSAC Annual Training, Ryan Massimo demonstrates foundational movement techniques that engage the body as a single coordinated system, complement the movements the body performs on the job and in life, and help to build optimal and usable strength, power, mobility, and durability.